CN221162171U - Battery pack connection structure, non-load-bearing body structure and vehicle - Google Patents

Abstract

The utility model discloses a battery pack connecting structure, a non-bearing type vehicle body structure and a vehicle. According to the battery pack connection structure provided by the embodiment of the utility model, the battery pack can be directly arranged on the left longitudinal beam and the right longitudinal beam, the installation space of the battery pack is larger, and the volume of the battery pack is increased, so that the battery pack has larger capacitance, the driving range of a vehicle is improved, the driving experience of a user is improved, and the structural strength of a non-bearing type vehicle body structure can be improved, so that the non-bearing type vehicle body structure can bear larger collision, and the safety of the user is ensured.

Description

Battery pack connection structure, non-load-bearing body structure and vehicle

Technical Field

The utility model relates to the field of vehicles, in particular to a battery pack connecting structure, a non-bearing type vehicle body structure and a vehicle.

Background

Automobiles are becoming more and more intelligent and personalized. Pick-up and off-road vehicle models are also developed towards hybrid and pure electric directions. In the related art, a battery-vehicle body integration technology (hereinafter referred to as CTC) is a mainstream technical field developed by each large-scale host factory for improving efficiency and reducing cost. In the integrated design, because the body and the chassis of the non-bearing body are connected together through a plurality of suspensions, the vehicle body and the chassis can not bear the weight of hundreds of kilograms of batteries, so that the vehicle frame and the batteries can only be selected for CTC integration, but the battery assembly structure in the related art mostly installs the batteries through a battery mounting bracket, the assembly is complex, and the space reserved for the battery assembly is smaller, so that the battery is smaller in size, the vehicle endurance mileage is easily shortened, and the driving experience of a user is further influenced.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery pack connection structure, which can make the installation space of the battery pack larger, and is beneficial to increasing the volume of the battery pack, so that the battery pack has a larger capacitance, thereby improving the driving mileage of a vehicle and improving the driving experience of a user.

According to the battery pack connecting structure, the battery pack connecting structure is applied to a non-bearing type vehicle body structure, the non-bearing type vehicle body structure comprises a left longitudinal beam and a right longitudinal beam which extend along the length direction of a vehicle body main body, the battery pack comprises a first longitudinal beam and a second longitudinal beam which are arranged at intervals, the battery pack connecting structure comprises a first connecting structure and a second connecting structure, the first longitudinal beam is fixedly connected with the left longitudinal beam through the first connecting structure, and the second longitudinal beam is fixedly connected with the right longitudinal beam through the second connecting structure.

According to the battery pack connection structure provided by the embodiment of the utility model, the battery pack can be directly arranged on the left longitudinal beam and the right longitudinal beam, the installation space of the battery pack is larger, the volume of the battery pack is increased, so that the battery pack has larger capacitance, the driving range of a vehicle is improved, the driving experience of a user is improved, further, the integral structure formed by the battery pack, the left longitudinal beam and the right longitudinal beam after being fixedly connected can have better structural strength, the battery pack is not easy to damage, the structural strength of a non-bearing vehicle body structure can be improved, the non-bearing vehicle body structure can bear larger collision, and the safety of the user is ensured.

In addition, the battery pack connection structure according to the present utility model may further have the following additional technical features:

In some embodiments of the present utility model, the first connecting structure includes a first fixing bolt and first bolt holes respectively provided on the left side member and the first side member, and the first fixing bolt sequentially penetrates through the two first bolt holes to fix the first side member on the left side member; the second connecting structure comprises second fixing bolts and second bolt holes respectively arranged on the right longitudinal beam and the second longitudinal beam, and the second fixing bolts sequentially penetrate through the two second bolt holes so as to fix the second longitudinal beam on the right longitudinal beam.

In some embodiments of the utility model, the first connection structure further comprises a first sleeve disposed within the cavity of the left side rail and having a first threaded passage opposite the first bolt hole, the first threaded passage having internal threads that mate with external threads of the first fixing bolt; the second connecting structure further comprises a second sleeve, wherein the second sleeve is arranged in the cavity of the right longitudinal beam and is provided with a second threaded channel opposite to the second bolt hole, and the second threaded channel is provided with an internal thread matched with the external thread of the second fixing bolt.

In some embodiments of the present utility model, the non-load bearing vehicle body structure further includes a passenger compartment floor extending in a width direction of the vehicle body, the passenger compartment floor including a left side seal plate and a right side seal plate, the left side seal plate and the first side rail being located on upper and lower sides of the left side rail, respectively; the right side sealing plate and the second longitudinal beam are respectively positioned at the upper side and the lower side of the right longitudinal beam, the first connecting structure comprises a third fixing bolt and third bolt holes respectively arranged on the left side sealing plate, the left longitudinal beam and the first longitudinal beam, and the third fixing bolt sequentially passes through the three third bolt holes so as to fixedly connect the left side sealing plate, the left longitudinal beam and the first longitudinal beam; the second connecting structure comprises a fourth fixing bolt and fourth bolt holes respectively formed in the right side sealing plate, the right longitudinal beam and the second longitudinal beam, and the fourth fixing bolt sequentially penetrates through three fourth bolt holes to fixedly connect the right side sealing plate, the right longitudinal beam and the second longitudinal beam.

The utility model also provides a non-bearing type vehicle body structure with the battery pack connecting structure.

According to the non-bearing type vehicle body structure provided by the embodiment of the utility model, the battery pack connecting structure is arranged, so that the non-bearing type vehicle body structure is assembled with a battery pack with a larger volume, the battery capacity of the battery pack can be improved, meanwhile, the overall rigidity of the non-bearing type vehicle body structure can be improved, and the operability of a vehicle can be effectively improved.

In some embodiments of the present utility model, the non-load bearing body structure further comprises: frame, front deck, passenger cabin and back floor structure, the passenger cabin is located the front deck with between the back floor structure, the front deck passenger cabin with back floor structure all with the frame is dismantled and is connected, the frame includes left longeron with right longeron, the passenger cabin includes the passenger cabin bottom plate, the passenger cabin bottom plate with left longeron right longeron constitutes accommodation space, the battery package is installed in the accommodation space.

In some embodiments of the present utility model, the passenger compartment floor includes a left side sealing plate, a right side sealing plate, a front sealing plate, and a rear sealing plate, where the front sealing plate, the left side sealing plate, the rear sealing plate, and the right side sealing plate are sequentially connected end to construct an annular structure having a middle air leakage area, and an outer periphery of a cover plate of the battery pack is respectively attached to the front sealing plate, the left side sealing plate, the rear sealing plate, and the right side sealing plate up and down to close the middle air leakage area.

In some embodiments of the utility model, the passenger compartment floor further comprises: the sealing strip sequentially extends along the front sealing plate, the left side sealing plate, the rear sealing plate and the right side sealing plate so as to seal between the passenger compartment bottom plate and the cover plate.

In some embodiments of the utility model, the passenger compartment floor further comprises: the front seat cross beam extends along the width direction of the vehicle body, and two ends of the front seat cross beam are detachably connected with the left longitudinal beam and the right longitudinal beam respectively; and the two ends of the supporting beam are detachably connected with the left longitudinal beam and the right longitudinal beam respectively.

The utility model also provides a vehicle with the non-bearing type vehicle body structure.

According to the vehicle provided with the non-bearing type vehicle body structure, the battery pack can be well protected, the non-bearing type vehicle body structure has good structural strength, the battery pack can be effectively protected, the bending resistance and torsion resistance of the vehicle frame can be improved, and the whole vehicle can have higher maneuverability during turning

In some embodiments of the present utility model, the vehicle further includes a cabin detachably mounted on the vehicle body structure, that is, the vehicle body structure of the vehicle of the present utility model is a non-load-bearing vehicle body structure, and cabins of different shapes and configurations can be detachably mounted on the same surviving vehicle body structure, so as to realize combination of different vehicle models, and the vehicle has a simple structure and convenient operation.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

Fig. 1 is a schematic structural view of a vehicle body structure according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a vehicle body structure according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a frame and a battery pack of a vehicle body structure according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a passenger compartment of a vehicle body structure according to an embodiment of the utility model.

Fig. 5 is a schematic structural view of a frame and a passenger compartment of a vehicle body structure according to an embodiment of the utility model.

Fig. 6 is a schematic structural view of a battery pack of a vehicle body structure according to an embodiment of the present utility model.

Fig. 7 is a cross-sectional view of a frame and a battery pack of a vehicle body structure according to a first embodiment of the utility model.

Fig. 8 is an enlarged view of area a in fig. 7.

Fig. 9 is a cross-sectional view of a frame and a battery pack of a vehicle body structure according to a second embodiment of the utility model.

Fig. 10 is an enlarged view of region B in fig. 9.

Reference numerals:

Non-load-bearing body structure 100,

A frame 1, a left longitudinal beam 11, a right longitudinal beam 12,

A battery pack 2, a battery case 21, a first longitudinal beam 22, a second longitudinal beam 23,

Front compartment 3, passenger compartment 4, passenger compartment floor 41, center drain region 40, left side seal plate 411, right side seal plate 412, front seal plate 413, rear seal plate 414, front seat front cross member 415, support beam 416,

A rear floor structure 5, a sealing strip 6,

A first fixing bolt 71, a second fixing bolt 72, a third fixing bolt 73, a fourth fixing bolt 74,

A first sleeve 81 and a fourth sleeve 82.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A battery pack connection structure according to an embodiment of the present utility model is described below with reference to fig. 1 to 10.

The battery pack connection structure of the present application may be applied to a non-load-bearing vehicle body structure 100, the non-load-bearing vehicle body structure 100 including a left side member 11 and a right side member 12 extending in a longitudinal direction of a vehicle body, where the longitudinal direction may refer to the front-rear direction shown in fig. 1. The battery pack 2 comprises a first longitudinal beam 22 and a second longitudinal beam 23 which are arranged at intervals, the battery pack connecting structure comprises a first connecting structure and a second connecting structure, the first longitudinal beam 22 is fixedly connected with the left longitudinal beam 11 through the first connecting structure, and the second longitudinal beam 23 is fixedly connected with the right longitudinal beam 12 through the second connecting structure.

Referring to fig. 1-10, a battery pack 2 includes a battery case 21, a first longitudinal beam 22 and a second longitudinal beam 23 are respectively disposed on the left side and the right side of the battery case 21, the first longitudinal beam 22 is disposed at the lower edge of the left side, the second longitudinal beam 23 is disposed at the lower edge of the right side, the first longitudinal beam 22 may be mounted at the lower side of the left longitudinal beam 11, and the second longitudinal beam 23 may be mounted at the lower side of the right longitudinal beam 12, so that, after the first longitudinal beam 22 is fixedly connected with the left longitudinal beam 11 and the second longitudinal beam 23 is fixedly connected with the right longitudinal beam 12, the battery pack 2 may be located between the left longitudinal beam 11 and the right longitudinal beam 12, the distance between the left longitudinal beam 11 and the right longitudinal beam 12 is relatively large, which may be advantageous for increasing the volume of the battery pack 2, so that the battery pack 2 has a larger capacitance, in addition, the structural strength of the left longitudinal beam 11 and the right longitudinal beam 12 is relatively large, the battery pack 2 may be protected from being damaged, and relatively, the battery pack 2 may be mounted between the left longitudinal beam 11 and the right longitudinal beam 12, and the right longitudinal beam 11 may be relatively well connected with the left longitudinal beam 12, thereby having a relatively good overall strength, and the whole structure may be formed by the battery pack 2.

Therefore, according to the battery pack connection structure provided by the embodiment of the utility model, the battery pack 2 can be directly arranged on the left longitudinal beam 11 and the right longitudinal beam 12, the installation space of the battery pack 2 is larger, the volume of the battery pack 2 is increased, so that the battery pack 2 has larger electric capacity, the vehicle endurance mileage is improved, the driving experience of a user is improved, and further, the integral structure formed by the battery pack 2, the left longitudinal beam 11 and the right longitudinal beam 12 after being fixedly connected can have better structural strength, so that the battery pack 2 is not easy to damage, and the structural strength of the non-bearing type vehicle body structure 100 is improved, so that the non-bearing type vehicle body structure 100 can bear larger collision, and the safety of the user is ensured.

In some embodiments of the present utility model, as shown in fig. 6, 7 and 8, the first connection structure includes a first fixing bolt 71 and first bolt holes provided on the left side member 11 and the first side member 22, respectively, the first fixing bolt 71 penetrating through two first bolt holes in sequence to fix the first side member 22 on the left side member 11; the second connecting structure comprises a second fixing bolt 72 and second bolt holes respectively formed in the right longitudinal beam 12 and the second longitudinal beam 23, and the second fixing bolt 72 sequentially penetrates through the two second bolt holes to fix the second longitudinal beam 23 on the right longitudinal beam 12. Therefore, the left longitudinal beam 11 and the first longitudinal beam 22 are directly fixedly connected, the right longitudinal beam 12 and the second longitudinal beam 23 are fixedly connected through the bolt structure, the disassembly and assembly are simple and convenient, and the assembly efficiency can be improved.

Alternatively, the diameters of the two first bolt holes may be equal or different, which may be designed according to practical requirements, without limitation, and the diameters of the two second bolt holes may be equal or different, which is not limited.

Further, referring to fig. 6, 7 and 8, the left side member 11, the right side member 12, the first side member 22 and the second side member 23 are all shaped structures with cavities, and taking the first side member 22 as an example, the upper and lower side walls of the first side member 22 are each provided with a first bolt hole matched with the first fixing bolt 71, and the arrangement form of the bolt holes of the left side member 11, the right side member 12 and the second side member 23 is not described herein. In addition, it is understood that the left side member 11, the right side member 12, the first side member 22, and the second side member 23 are each solid structures having no cavity, and are not limited thereto.

In some embodiments of the present utility model, as shown in fig. 8, the first connection structure further includes a first bushing 81, the first bushing 81 being disposed in the cavity of the left side member 11 and having a first screw passage opposite to the first screw hole, the first screw passage having an internal screw thread engaged with the external screw thread of the first fixing bolt 71; the second connection structure further includes a second sleeve provided in the cavity of the right side member 12 and having a second threaded passage opposite the second bolt hole, the second threaded passage having an internal thread that mates with the external thread of the second fixing bolt 72.

In one example, the first sleeve 81 may be preset in the cavity of the left side member 11 and fixed in the cavity of the left side member 11 by welding, and similarly, the second sleeve may be preset in the cavity of the right side member 12 and fixed in the cavity of the right side member 12 by welding, and at this time, when the battery pack 2 needs to be mounted on the left side member 11 and the right side member 12, only the first bolt hole on the left side member 11 is required to be opposite to the first bolt hole on the first side member 22, the second bolt hole on the right side member 12 is required to be opposite to the second bolt hole on the second side member 23, and then the two first bolt holes are sequentially threaded through the first fixing bolt 71 and are matched with the internal threads in the first sleeve 81, and the two second bolt holes are sequentially threaded through the second fixing bolt 72 and are matched with the internal threads in the second sleeve, so that the nut matched with the first fixing bolt 71 or the second fixing bolt 72 is not required to be provided, thereby further simplifying the assembly process and improving the assembly efficiency.

In some embodiments of the present utility model, as shown in fig. 4, 5, and 8, the non-load-bearing vehicle body structure 100 further includes a passenger compartment floor 41, the passenger compartment floor 41 extending in the width direction of the vehicle body, the passenger compartment floor 41 including a left side seal plate 411 and a right side seal plate 412, the left side seal plate 411 and the first side member 22 being located on upper and lower sides of the left side member 11, respectively; the right side sealing plate 412 and the second longitudinal beam 23 are respectively located at the upper side and the lower side of the right longitudinal beam 12, the first connecting structure comprises a third fixing bolt 73 and third bolt holes respectively formed on the left side sealing plate 411, the left longitudinal beam 11 and the first longitudinal beam 22, and the third fixing bolt 73 sequentially passes through the three third bolt holes so as to fixedly connect the left side sealing plate 411, the left longitudinal beam 11 and the first longitudinal beam 22; the second connecting structure includes a fourth fixing bolt 74 and fourth bolt holes provided on the right side seal plate 412, the right side rail 12 and the second rail 23, respectively, and the fourth fixing bolt 74 sequentially passes through the three fourth bolt holes to fixedly connect the right side seal plate 412, the right side rail 12 and the second rail 23. Thus, the passenger compartment floor 41, the vehicle frame 1 and the battery pack 2 form an integral structure, the overall rigidity of the non-load-bearing vehicle body structure 100 can be further increased, and the handling of the vehicle can be effectively improved. In addition, the passenger compartment floor 41 and the battery pack 2 as an integral structure can be reduced in relative movement between the passenger compartment floor 41 and the battery pack 2, so that the fitting gap between the passenger compartment floor 41 and the battery pack 2 can be small, whereby the size of the non-load-bearing vehicle body structure 100 in the up-down direction can be reduced effectively.

Alternatively, as shown in fig. 9 and 10, a third sleeve and a fourth sleeve 82 may be disposed on the left side sealing plate 411 and the right side sealing plate 412, respectively, the third fixing bolt 73 may be directly screwed with the third sleeve when being screwed, and the fourth fixing bolt 74 may be directly screwed with the fourth sleeve 82 when being screwed, thereby further simplifying the assembly process and improving the assembly efficiency.

In some examples of the present utility model, the non-load bearing body structure 100 further includes two mounting brackets, which may be provided at both ends of the cross member, respectively, that is, the mounting brackets include a left side mounting bracket and a right side mounting bracket, the left side mounting bracket is provided with a third bolt hole, and the right side mounting bracket is provided with a fourth bolt hole, whereby the third fixing bolt 73 may sequentially pass through the fourth bolt hole of the four structures, and the fourth fixing bolt 74 may sequentially pass through the fourth bolt hole of the four structures, so that the left side mounting bracket, the right side mounting bracket, the passenger compartment floor 41, the frame 1, and the battery pack 2 form an integral structure, which may further increase the overall rigidity of the non-load bearing body structure 100, and may effectively improve the handling of the vehicle.

The present utility model also proposes a non-load-bearing vehicle body structure 100 having the above-described embodiment.

According to the non-load-bearing vehicle body structure 100 of the embodiment of the utility model, by arranging the battery pack connecting structure of the embodiment, the non-load-bearing vehicle body structure 100 can be assembled with the battery pack 2 with a larger volume, the battery capacity of the battery pack 2 can be improved, meanwhile, the overall rigidity of the non-load-bearing vehicle body structure 100 can be improved, and the operability of a vehicle can be effectively improved.

In some examples, the battery pack connection structure may also be applied to a load-bearing body structure, without limitation.

A non-load-bearing vehicle body structure 100 according to an embodiment of the utility model is described below with reference to fig. 1-10.

As shown in fig. 1 and 6, a non-load-bearing vehicle body structure 100 according to an embodiment of the present utility model includes a vehicle frame 1 and a battery pack 2, the vehicle frame 1 including a left side member 11 and a right side member 12, the battery pack 2 including a battery case 21, the case 21 being detachably mounted between the left side member 11 and the right side member 12, the battery case 21 including a cover plate configured as a vehicle body floor between the left side member 11 and the right side member 12.

Referring to fig. 1 and 6, the left and right side members 11 and 12 each extend in the front-rear direction and are spaced apart in the left-right direction, and the case 21 of the battery pack 2 is directly mounted on the left and right side members 11 and 12, so that the battery mounting bracket is saved and the overall size of the battery pack 2 in the up-down direction after being mounted on the vehicle frame 1 can be reduced, compared with the related art.

The cover plate of the case 21 is configured as a vehicle body floor between the left side member 11 and the right side member 12, and the dimension of the battery pack 2 in the up-down direction as a whole after being mounted on the vehicle frame 1 can be further reduced as compared with the related art without increasing the provision of a floor structure. In addition, when the battery pack 2 is mounted on the frame 1, the disassembly and maintenance of the battery pack 2 are needed, and the disassembly and maintenance are simple and convenient, in addition, when the battery pack 2 is matched with the frame 1, the machining errors among parts to be overcome are less, and even if the assembly is problematic, the adjustment and the repair are easier, and the whole vehicle is not required to be taken off line for repair.

When the battery pack 2 is mounted to the vehicle frame 1, the volume of the battery pack 2 can be easily increased due to the larger size between the left side member 11 and the right side member 12, thereby improving the cruising ability of the vehicle.

The battery pack 2 is installed between the left longitudinal beam 11 and the right longitudinal beam 12, the structural strength of the left longitudinal beam 11 and the right longitudinal beam 12 is high, and even if a vehicle collides, the battery pack 2 is not easy to deform greatly, so that the battery pack 2 can be well protected from damage, and the safety of the battery pack 2 in collision can be improved.

In addition, the shell 21 of the battery pack 2 also has a certain structural strength, and when the left longitudinal beam 11 or the right longitudinal beam 12 is impacted, the shell 21 is connected between the left longitudinal beam 11 and the right longitudinal beam 12, so that not only can the impact force be well transmitted, but also the structural strength of the whole non-bearing type vehicle body structure 100 can be improved, the bending resistance and torsion resistance of the vehicle frame 1 can be greatly improved, and the whole vehicle can have higher maneuverability during turning.

Therefore, according to the non-load-bearing vehicle body structure 100 of the embodiment of the utility model, by directly installing the battery pack 2 between the left longitudinal beam 11 and the right longitudinal beam 12 and enabling the cover plate of the battery pack 2 to be configured as the vehicle body floor, the size of the non-load-bearing vehicle body structure 100 in the up-down direction can be reduced well, the non-load-bearing vehicle body structure 100 has good structural strength, the battery pack 2 can be effectively protected, the bending resistance and the torsion resistance of the vehicle frame 1 can be improved, and the whole vehicle can have higher maneuverability during turning.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the non-load-bearing vehicle body structure 100 further includes a front cabin 3, a passenger cabin 4, and a rear floor structure 5, the passenger cabin 4 being located between the front cabin 3 and the rear floor structure 5, the front cabin 3, the passenger cabin 4, and the rear floor structure 5 being detachably connected to the vehicle frame 1, the passenger cabin 4 including a passenger cabin floor 41, the passenger cabin floor 41 and the left and right side members 11, 12 forming an accommodation space, and the battery pack 2 being installed in the accommodation space.

Referring to a specific example shown in fig. 1 and 2, the passenger cabin 4 is installed at the upper ends of the left longitudinal beam 11 and the right longitudinal beam 12, the passenger cabin bottom plate 41 and the left longitudinal beam 11 and the right longitudinal beam 12 form a containing space with a downward opening, the battery pack 2 can be contained in the containing space, the battery pack 2 can be further protected, meanwhile, the size of the non-bearing vehicle body structure 100 in the up-down direction can be saved, when the battery pack 2 needs to be disassembled, the battery pack 2 can be well dropped out of the containing space, the operation is simple and convenient, the battery pack 2 can be installed in the containing space through a quick-dismantling structure, and when a vehicle collides or fires, the battery can drop under the action of self gravity through the quick-dismantling structure, so that secondary injury to passengers due to fire explosion of the battery pack 2 is avoided.

In some embodiments of the present utility model, as shown in fig. 1, 4 and 5, the passenger compartment floor 41 has a central void region 40, and the cover plate covers the central void region 40, that is, the battery pack 2 may be installed under the passenger compartment 4, so that the cover plate of the battery pack 2 may serve as a floor at a position corresponding to the passenger compartment 4, and the floor structure may be omitted from being added at the position of the passenger compartment 4, thereby reducing the thickness of the non-load-bearing body structure 100 in the up-down direction.

In some embodiments of the present utility model, as shown in fig. 1, 4 and 5, the passenger compartment bottom plate 41 includes a left side sealing plate 411, a right side sealing plate 412, a front sealing plate 413 and a rear sealing plate 414, where the front sealing plate 413, the left side sealing plate 411, the rear sealing plate 414 and the right side sealing plate 412 are sequentially connected end to end, so as to construct an annular structure with a middle hollow area 40, and the outer periphery of the cover plate is respectively attached to the front sealing plate 413, the left side sealing plate 411, the rear sealing plate 414 and the right side sealing plate 412 up and down, so that the cover plate can be better matched with the passenger compartment bottom plate 41, and after the cover plate is matched with the passenger compartment bottom plate 41, the upper and lower spaces of the non-bearing vehicle body structure 100 can be better separated, so that corrosion of impurities and the like on the battery pack 2 can be avoided.

Optionally, as shown in fig. 1, 4 and 5, the passenger compartment floor 41 further includes: the sealing strip 6, the sealing strip 6 extends along the front sealing plate 413, the left sealing plate 411, the rear sealing plate 414 and the right sealing plate 412 in order to seal between the passenger compartment bottom plate 41 and the cover plate, and therefore, the sealing strip 6 can seal better, and the sealing effect of the battery pack 2 on the lower portion of the frame 1 can be improved.

Alternatively, the cover plate may be an aluminum plate, a steel plate or other composite material, so that the strength of the cover plate can ensure that the cover plate is not easily deformed or damaged when a rider steps on the cover plate.

In some embodiments of the present utility model, the left side seal plate 411 is detachably connected to the left side rail 11, and the right side seal plate 412 is detachably connected to the right side rail 12. In one example, the left side sealing plate 411 and the left longitudinal beam 11 and the right side sealing plate 412 and the right longitudinal beam 12 are connected through bolts, specifically, the sleeve 72 can be embedded in the left longitudinal beam 11 and the right longitudinal beam 12, then the sleeve 72 is screwed through the mounting holes on the left side sealing plate 411 or the right side sealing plate 412 by the screws 71, and the passenger cabin bottom plate 41 and the frame 1 are fixedly connected, so that the rigidity of the whole vehicle of the non-bearing type vehicle body structure 100 can be better improved, the steering stability of the whole vehicle can be better improved, and meanwhile, the passenger cabin bottom plate 41 and the frame 1 are fixedly connected, the relative movement between the two can be reduced, and the stability is good.

In some embodiments of the present utility model, as shown in fig. 1, 8 and 9, the passenger compartment floor 41 further includes a front seat front beam 415 and at least one support beam 416, the front seat front beam 415 and the support beam 416 each extend in a left-right direction, and two ends of the front seat front beam 415 are detachably connected to the left side sealing plate 411 and the right side sealing plate 412, respectively; both ends of the support beam 416 are detachably connected to the left side closing plate 411 and the right side closing plate 412, respectively. Thus, by providing the front seat front cross member 415 and the support beam 416, the vehicle body structure can be supported between the left side member 11 and the right side member 12 well, and not only can the acting force be transmitted well, but also the structural strength of the whole body of the non-load-bearing vehicle body structure 100 can be improved, and the stability is good.

In some embodiments of the present utility model, the battery pack 2 further includes a first side member 22 and a second side member 23, the first side member 22 being detachably connected to the left side member 11, and the second side member 23 being detachably connected to the right side member 12, and in one example, the frame 1 and the battery pack 2 are formed as one body by a bolt structure.

The utility model also proposes a vehicle having the non-load-bearing vehicle body structure 100 of the above embodiment.

According to the vehicle provided with the non-load-bearing vehicle body structure 100, the battery pack 2 can be well protected, the non-load-bearing vehicle body structure 100 has good structural strength, the battery pack 2 can be effectively protected, the bending resistance and torsion resistance of the vehicle frame 1 can be improved, and the whole vehicle can have higher maneuverability during turning.

In some embodiments of the present utility model, the vehicle further includes a cabin detachably mounted on the non-load-bearing body structure 100, that is, the non-load-bearing body structure 100 of the vehicle of the present utility model is a non-load-bearing body structure 100, and cabins of different shapes and configurations can be respectively detachably mounted on the same non-load-bearing body structure 100, so as to realize combination of different vehicle models, and the vehicle has a simple structure and convenient operation.

Further, the structural strength of the left longitudinal beam 11 and the right longitudinal beam 12 of the non-load-bearing type vehicle body structure 100 is higher, so that the battery pack 2 can be well protected, the battery pack 2 is prevented from being damaged, and when the battery pack 2 is overhauled, the maintenance of the battery pack 2 can be easier, the whole vehicle is not required to be subjected to offline maintenance, the production rhythm is not influenced, and the production efficiency is improved.

Other configurations and operations of the vehicle body structure and the vehicle according to the embodiment of the utility model are known to those skilled in the art and will not be described in detail herein.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a battery package connection structure, is applied to non-bearing type body structure, its characterized in that, non-bearing type body structure includes left longeron and right longeron that extends along automobile body main part length direction, battery package includes first longeron and the second longeron that the interval set up, battery package connection structure includes first connection structure and second connection structure, first longeron passes through first connection structure with left longeron fixed connection, the second longeron passes through second connection structure with right longeron fixed connection.

2. The battery pack connection structure according to claim 1, wherein,

The first connecting structure comprises a first fixing bolt and first bolt holes respectively arranged on the left longitudinal beam and the first longitudinal beam, and the first fixing bolt sequentially penetrates through the two first bolt holes so as to fix the first longitudinal beam on the left longitudinal beam;

The second connecting structure comprises second fixing bolts and second bolt holes respectively arranged on the right longitudinal beam and the second longitudinal beam, and the second fixing bolts sequentially penetrate through the two second bolt holes so as to fix the second longitudinal beam on the right longitudinal beam.

3. The battery pack connection structure according to claim 2, wherein,

The first connecting structure further comprises a first sleeve, wherein the first sleeve is arranged in a cavity of the left longitudinal beam and is provided with a first threaded channel opposite to the first bolt hole, and the first threaded channel is provided with an internal thread matched with the external thread of the first fixing bolt;

the second connecting structure further comprises a second sleeve, wherein the second sleeve is arranged in the cavity of the right longitudinal beam and is provided with a second threaded channel opposite to the second bolt hole, and the second threaded channel is provided with an internal thread matched with the external thread of the second fixing bolt.

4. The battery pack connection structure of claim 1, wherein the non-load-bearing vehicle body structure further comprises a passenger compartment floor extending in a width direction of the vehicle body, the passenger compartment floor comprising a left side seal plate and a right side seal plate, the left side seal plate and the first rail being located on upper and lower sides of the left rail, respectively; the right side edge sealing plate and the second longitudinal beam are respectively positioned at the upper side and the lower side of the right longitudinal beam,

The first connecting structure comprises a third fixing bolt and third bolt holes respectively arranged on the left side sealing plate, the left longitudinal beam and the first longitudinal beam, and the third fixing bolt sequentially penetrates through the three third bolt holes so as to fixedly connect the left side sealing plate, the left longitudinal beam and the first longitudinal beam;

The second connecting structure comprises a fourth fixing bolt and fourth bolt holes respectively formed in the right side sealing plate, the right longitudinal beam and the second longitudinal beam, and the fourth fixing bolt sequentially penetrates through three fourth bolt holes to fixedly connect the right side sealing plate, the right longitudinal beam and the second longitudinal beam.

5. A non-load-bearing vehicle body structure comprising the battery pack connection structure of any one of claims 1-4.

6. The non-load bearing body structure according to claim 5, further comprising: frame, front deck, passenger cabin and back floor structure, the passenger cabin is located the front deck with between the back floor structure, the front deck passenger cabin with back floor structure all with the frame is dismantled and is connected, the frame includes left longeron with right longeron, the passenger cabin includes the passenger cabin bottom plate, the passenger cabin bottom plate with left longeron right longeron constitutes accommodation space, the battery package is installed in the accommodation space.

7. The non-load bearing vehicle body structure of claim 6, wherein the passenger compartment floor includes a left side seal plate, a right side seal plate, a front seal plate, and a rear seal plate, the front seal plate, the left side seal plate, the rear seal plate, and the right side seal plate being connected end to end in sequence to construct an annular structure having a central void region, and wherein an outer periphery of a cover plate of the battery pack is respectively bonded up and down to the front seal plate, the left side seal plate, the rear seal plate, and the right side seal plate to close the central void region.

8. The non-load bearing vehicle body structure of claim 7, wherein the passenger compartment floor further comprises: the sealing strip sequentially extends along the front sealing plate, the left side sealing plate, the rear sealing plate and the right side sealing plate so as to seal between the passenger compartment bottom plate and the cover plate.

9. The non-load bearing vehicle body structure of claim 6, wherein the passenger compartment floor further comprises:

the front seat cross beam extends along the width direction of the vehicle body, and two ends of the front seat cross beam are detachably connected with the left longitudinal beam and the right longitudinal beam respectively;

And the two ends of the supporting beam are detachably connected with the left longitudinal beam and the right longitudinal beam respectively.

10. A vehicle comprising the non-load bearing body structure of any one of claims 5-9.